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Indigo carmine
Synonym(s):
Acid Blue 74, Indigo-5,5′-disulfonic acid disodium salt, Indigocarmine
Empirical Formula (Hill Notation):
C
16
H
8
N
2
Na
2
O
8
S
2
CAS Number:
860-22-0
Molecular Weight:
466.35
EC Number:
212-728-8
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Description
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57000
Indigo carmine,
for microscopy (Bact., Hist.), indicator (pH 11.5-14.0)
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73436
Indigo carmine,
analytical standard
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131164
Indigo carmine,
certified by the Biological Stain Commission, Dye content 85 %
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